Shoe upper



FIG. 1 is a side elevational view of a shoe upper showing my new design;

FIG. 2 is a side elevational view of the other side of the shoe upper;

FIG. 3 is a front elevational view of the shoe upper;

FIG. 4 is a rear elevational view of the shoe upper; and

FIG. 5 is a top plan view of the shoe upper.

The broken line showing of a sole in FIGS. 1-4 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a shoe upper, as shown and described. 